<template>
  <div>

    <div style="padding: 10px 0">
      <el-input style="width: 200px" placeholder="请输入用户名" suffix-icon="el-icon-search" v-model="username"></el-input>
      <el-button class="ml-5" type="primary" @click = "load">搜索</el-button>
    </div>

    <div class="pd-10">
      <el-button type="primary" @click="handleAdd">新增<i class="el-icon-circle-plus-outline"></i></el-button>
      <el-popconfirm
          class="ml-5"
          confirm-button-text='确定'
          cancel-button-text='取消'
          icon="el-icon-info"
          icon-color="red"
          title="确定删除吗？"
          @confirm="deleteBatch"
      >
        <el-button type="danger" slot="reference">批量删除<i class="el-icon-remove-outline"></i></el-button>
      </el-popconfirm>
      <el-upload action="http://localhost:8081/user/import" :show-file-list="false" accept="xlsx" :on-success="handleImportEx" style="display: inline-block">
        <el-button type="primary" class="ml-5">导入<i class="el-icon-bottom"></i></el-button>
      </el-upload>
      <el-button type="primary" @click="exp" class="ml-5">导出<i class="el-icon-top"></i></el-button>
    </div>
    <el-table :data="tableData" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" ></el-table-column>
      <el-table-column prop="id" label="ID" width="80"></el-table-column>
      <el-table-column prop="username" label="用户名" width="130"></el-table-column>
      <el-table-column prop="nickname" label="昵称" width="130"></el-table-column>
      <el-table-column prop="email" label="邮箱" width="250"></el-table-column>
      <el-table-column prop="phone" label="电话" width="210"></el-table-column>
      <el-table-column prop="address" label="地址"></el-table-column>
      <el-table-column label="操作" width="200" align="center">
        <template slot-scope="scope">
          <el-button type="success" @click="handleEdit(scope.row)">编辑<i class="el-icon-edit"></i></el-button>
          <el-popconfirm
              class="ml-5"
              confirm-button-text='确定'
              cancel-button-text='取消'
              icon="el-icon-info"
              icon-color="red"
              title="确定删除吗？"
              @confirm="deleteForm(scope.row.id)"
          >
            <el-button type="danger" slot="reference">删除<i class="el-icon-remove-outline"></i></el-button>
          </el-popconfirm>
        </template>
      </el-table-column>
    </el-table>
    <div style="padding: 10px 0">
      <el-pagination
          @size-change="handleSizeChange"
          @current-change="handleCurrentChange"
          :current-page="pageNum"
          :page-sizes="[5, 10, 15, 20]"
          :page-size="pageSize"
          layout="total, sizes, prev, pager, next, jumper"
          :total="total">
      </el-pagination>
    </div>
    <el-dialog title="用户信息" :visible.sync="dialogFormVisible" width="30%">
      <el-form label-width="80px">
        <el-form-item label="用户名">
          <el-input v-model="form.username" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="昵称">
          <el-input v-model="form.nickname" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="邮箱">
          <el-input v-model="form.email" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="电话">
          <el-input v-model="form.phone" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="地址">
          <el-input v-model="form.address" autocomplete="off"></el-input>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="dialogFormVisible = false">取 消</el-button>
        <el-button type="primary" @click="isAdd ? saveForm():editForm()">确 定</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
export default {
  name: "User",
  data() {
    return {
      tableData: [],
      total: 0,
      pageNum: 1,
      pageSize: 10,
      username: '',
      form: {},
      //add和edit共用同一个弹出窗口
      isAdd: true,
      dialogFormVisible: false,
      //多选的数组
      multipleSelection: [],
    }
  },
  created() {
    this.load();
  },
  methods: {
    load() {
      this.request.get("/user/page", {
        params: {
          pageNum: this.pageNum,
          pageSize: this.pageSize,
          username: this.username
        }
      }).then(res => {
        this.tableData = res.data.records;
        this.total = res.data.total;
      });
    },
    saveForm() {
      this.request.post("/user", this.form).then(res => {
        if(res.data) {
          this.$message.success(res.message);
          this.dialogFormVisible = false;
          this.load();
        } else {
          this.$message.error(res.message);
        }
      });
    },
    editForm() {
      this.request.put("/user", this.form).then(res => {
        if(res.data) {
          this.$message.success(res.message);
          this.dialogFormVisible = false;
          this.load();
        } else {
          this.$message.error(res.message);
        }
      });
    },
    deleteForm(id) {
      this.request.delete("/user/" + id).then(res => {
        if(res.data) {
          this.$message.success(res.message);
          this.load();
        }else {
          this.$message.error(res.message);
        }
      });
    },
    deleteBatch() {
      if(this.multipleSelection.length == 0){
        this.$message.warning("未选择任何选项");
        return;
      }
      let ids = this.multipleSelection.map(v => v.id); // [{}, {}, {}] => [1, 2, 3]
      this.request.post("/user/batch", ids).then(res => {
        if(res.data) {
          this.$message.success(res.message);
          this.load();
        }else {
          this.$message.error(res.message);
        }
      });
    },
    exp() {
      window.open("http://localhost:8081/user/export");
    },

    handleSizeChange(pageSize) {
      this.pageSize = pageSize;
      this.load();
    },
    handleCurrentChange(pageNum) {
      this.pageNum = pageNum;
      this.load();
    },
    handleAdd() {
      this.isAdd = true;
      this.dialogFormVisible = true;
      this.form = {};
    },
    handleEdit(row) {
      this.isAdd = false;
      this.form = row;
      this.dialogFormVisible = true;
    },
    handleSelectionChange(val) {
      this.multipleSelection = val;
    },
    handleImportEx() {
      this.$message.warning("导入成功（相同用户名用户会导入失败）");
      this.load();
    }
  }
}
</script>

<style scoped>

</style>